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Finding the Fourth Proportional to 8,068.52, 12,102.78 and 2,226.80

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Solution

The fourth proportional to 8,068.52, 12,102.78 and 2,226.80 is: 3,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.52 : 12,102.78 = 2,226.80 : x
  2. Step 2: Convert to fraction form
    8,068.52/12,102.78 = 2,226.80/x
  3. Step 3: Cross multiply
    8,068.52x = 12,102.78 × 2,226.80
  4. Step 4: Simplify right side
    8,068.52x = 26,950,470.50
  5. Step 5: Solve for x
    x = 26,950,470.50/8,068.52
  6. Step 6: Final answer
    x = 3,340.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.